Review the web sites of the U.S. Patent and Trademark Office (www.uspto.gov), European Patent Office (www.epo.org), and Japanese Patent Office (www.jpo.go.jp). Also through these web sites, research the work of the Trilateral Office. The U.S. PTO, EPO, and JPO established the Trilateral Office to facilitate cooperation in the administration of their patent functions (www.trilateral.net/index.

html).